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LD5850 - Boost Controller

Description

The LD5850 is a wide-input asynchronous current mode boost controller, capable to operate in the range between 9V and 28V and to generate 14V of voltage to the GATE pin of MOSFET to reduce thermal loss.

Features

  • internal slope compensation, input voltage under-voltage lockout, output voltage short circuit protection, cycle-by-cycle current limit and thermal shutdown protection. Features.
  • Wide Input Range: 9V to 28V.
  • Current Mode Control.
  • 0.3V LED Feedback Current Sensing Reference.
  • Fixed Switching Frequency.
  • PWM Dimming Input.
  • Internal Slope Compensation.
  • Cycle-by-Cycle Current Limit.
  • Over Temperature Protection.

📥 Download Datasheet

Datasheet Details

Part number LD5850
Manufacturer Leadtrend Technology
File Size 340.56 KB
Description Boost Controller
Datasheet download datasheet LD5850 Datasheet

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Full PDF Text Transcription

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LD5850 11/30/2012 Boost Controller for LED Backlight REV: 00 General Description The LD5850 is a wide-input asynchronous current mode boost controller, capable to operate in the range between 9V and 28V and to generate 14V of voltage to the GATE pin of MOSFET to reduce thermal loss. The current mode control architecture enhances transient response and simplifies the loop compensation. The DIM input allows the brightness control for LED Backlight or LED lighting. The Device also features internal slope compensation, input voltage under-voltage lockout, output voltage short circuit protection, cycle-by-cycle current limit and thermal shutdown protection. Features  Wide Input Range: 9V to 28V  Current Mode Control  0.
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